Telecommunication exchange systems



Nov, 10, 1959 .M. DEN HERTOG ETA ,510

TELECOMMUNICATION EXCHANGE SYSTEMS 73 Sheets-Sheet 1.

Filed June 2.6, 1953 Inventor 14-. den Her-tog C. "de -Zeeuw 2 Attorney I Nov, 10,. 1959 M. DEN HERTOG I TELECOMMUNICATION sxcmmcs: sysmus 7s Sheets-Shad 2 Filed. June 26, 1953 Q9 N wt S Inventor I M. dun Hertog C. de Zeeuw A ttorn e y M. DEN HERTOG ETAL 3 5 mmcowumcuzou EXCHANGE sys'mus Nov. 10,1959

"f3 Sheets-Sheet 3 Filed June 26,1953

' Inventor M. den Hertog G. de Zeeuw I Attorney Nov. 10, 1959 M. DEN HERTQG EI' TELECOMMUNICATION EXCHANGE SYSTEMS 73 Sheets-Sheet 4.

Ki i i Filed June 26, .1953

\ i9/J2L Inventor M. den Hertog C. de Zeeuw' A Home y Nov. 10, 1959 M. DEN HERT'OG EI'AL v 2,912,510

mmcomumcmon EXCHANGE svsmas 73 Sheets-Sheet 5 Filed June 26, .1953

a A EA 3 LS4! .S

7 N vin 1 n ventor M. den Hertog C. de Zeeuw A ltorney Nov. 10, 1959 M. DEN HERTOG ETA!- 2,912,510

TELECOMMUNICATION EXCHANGE SYSTEMS Fi1 .ad June 26, 1953 75 Sheets-Sheet 6 N at P 1 Inventor M. den Hertog C. de Zeeuw A Home y Nov. 10,1959 M. DEN HERTOG ETA!- 3 TELECOMMUNICATION EXCHANGE SYSTEMS Fixed June 26, 1953 73 Sheets-Sheet '7 Inventor M. den Hertog C. de Zeeuw Altorney Nov. 10, 1959 M. DEN HERTOG muzcomnmxcnzou EXCHANGE sYs'rEus 75 Shoots-Shut 8 Filed Juno 26. 1953 4 on J mux k Y 8 Emu EL E u FN H m m Q v d m d v 4 4 .4 m

Inventor M. den Hertog Q. de Zeeuw y 2- v i a Ailqrney Nov. 10,1959 M. DEN HERTOG ETAL 2, 2, 1

mmcomumcnxpu EXCHANGE SYSTEMS 73 Sheets-Sheet 9 Filed June 26, 1953 Inventor M. den Her-tog C. de Zeeuw Attorney Nov. 10, 1959 M. DEN HERTOG 2,912,510

TELECOMMUNICATION EXCHANGE SYSTEMS 73 Sheets-Sheet 10 Filed June 26, 1953 Inventor M. den Her-tog C. de Zeeuw Attorney Nov. 10, 1959 M. DEN HERTOG ETA!- TELECOMMUNICATION EXCHANGE SYSTEMS Filed June 26, 1953 '73 Sheets-Sheet 12 Inventof M. den Hertog G. de Zeeuw By Attorney Nov. 10, 1959 M. DEN HERTOG ETA!- TELECOMMUNICATION EXCHANGE SYSTEMS 75 Sheets-Sheet 13 Filed June 26, 1953 Inventor M. den Hertog C. de Zeeuw Attorney Nov. 10, 1959 M. DEN HERTOG ETA!- TELECOMMUNICATION zxcwmcs YsmMs 73 Sheets-Sheet 14 Filed June 26, 1953 IIHI- Inventor M. den Hertog C. de Zeeuw Nov. 10, 1959 Filed June 26, 1953 52 5 4 24 A cb A r I/ 5499A Rear/1 M. DEN HERTOG T TELECOMMUNICATIQN EXCHANGE SYSTEMS I 7 tr! M04 60/ #0 i i:

73 Sheets-Sheet 15 Inventor M. den Her-tog C. de Zeeuw Attorney Nov. 10, 1959 M. DEN HERTOG EPA!- 5 TEIJECOMMUNICATION EXCHANGE SYSTEMS 73 Sheets-Sheet 16 Filed June 26, 1.953

Q Q wQNQ w k mama 3 M Inventof M. den Hertog C. de Zeeuw Attq ney Nov. 10,1959 M. DEN HERTOG ETA!- 2.912.510

TELECOMMUNICATION EXCHANGE svsmus Filed June 26, 1953 73 Sheets-Sheet 18 laIxg.

Inventor M. den Hert og 0. de Zeeuw Attorney Nov. 10, 1959 M. DENHERTOG ETA!- 2,912,510

TELECOMMUNICATION EXCHANGE SYSTEMS Filed June 26, 1953 '73 Sheets-Sheet 19 Inventor M. den Hertog C. de Zeeuw By Attorney sbki Nov. 10, 1959 M. DEN HERTOG HM 5 TELECONMUNICATION EXCHANGE SYSTEMS 73 Sheets-Sheet 20 Filed June 26, 1953 Inventor M. en Hertog C de Zeeuw Aitqrney 

